31c4524b96a049c8f738cbe18486b025a98e6b959fdc5d07664dea79b46d2840

General

Target
2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe
Size 96KB
Sample261024-d37m2astat
SHA256 31c4524b96a049c8f738cbe18486b025a98e6b959fdc5d07664dea79b46d2840
MD5 99a8a8c424c2728c3477ee2da65e8d8e
SHA1 515579bb8f9907a5b02a19edfe44e5b23ea56cf4
SHA512 cc3e1cecf6136627da67a576213ab16f9f78ab07b416e2e23d7c0681da784700280f7949ea09a1fdda4fbeb1297debaee6bbda7a2bff658a4c8602382d15ab3b
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlr:QSABNx6vb4RoI4pyjHYLhal01UoPXf
TLSH
T13FA3AD1BAFA948D9E120AC31152E377497FF946E3B1897939348EE4D9433CD1EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
540	cwvzgzf.exe

Executes dropped EXE 1 IoCs

pid	Process
540	cwvzgzf.exe

Loads dropped DLL 1 IoCs

pid	Process
1084	rundll32.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2200	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4924	1084	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cwvzgzf.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2200	cmd.exe
2536	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2536	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1788	2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe
540	cwvzgzf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 2200	1788	2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe	85
PID 2200 wrote to memory of 2536	2200	cmd.exe	87
PID 2200 wrote to memory of 540	2200	cmd.exe	88
PID 540 wrote to memory of 1084	540	cwvzgzf.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\cwvzgzf.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2536
- - \??\c:\cwvzgzf.exe
    c:\cwvzgzf.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_99a8a8c424c2728c3477ee2da65e8d8e_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:540
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\pehdfil\awikv.dll",DoVirusScan c:\cwvzgzf.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1084
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 560
        5⤵
        Program crash
        
        PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1084 -ip 1084
1⤵
PID:1300

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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cwvzgzf.exe

Path \??\c:\cwvzgzf.exe
Size 96KB
SHA256 0cb75b72a0e4fa42569b0ef3782020733497dd65e44043f7e987a60085554113
MD5 02744c8ca9e776eaaa05948f9210b921
SHA1 1c2699d41e75eecdb24569cd65960d369c73f35c
SHA512 530bd8475d494d0c2f7ade0c2af5cc6294da2cc3938e40be6eb7450619634c0763e5c7b8af239ababe0ac80f753b165698ae1fd5b490c67ae80a1af7ee12e4b9
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl9:QSABNx6vb4RoI4pyjHYLhal01UoPXB
TLSH
T1F9A3AE17ABA948D9E120AC31152E377497FF946E3B1897939348EE4ED433CD1EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

awikv.dll

Path \??\c:\pehdfil\awikv.dll
Size 50KB
SHA256 7604a0d3e695ff2f47b2961a860aa77e41952df48c132c18ac8d84e6ed3ee8eb
MD5 18cc91cc0c4c41e39a2c5310e760f0ef
SHA1 aaacc94db8d8a37e5d34878aa259d3274a5ff2a7
SHA512 8abba5220a7216288d0d2c683a5d01b796b1179464a2432eda991004348223c822c54ab39fd19302ff01974ec8d026e98280e9f1bdb67178126d75a974ecc7e7
SSDEEP 768:Z+arYIR3u5v4bGwCl56LNQQe5JBtGf1oTYtx/qQvo9:ZPrG57TzDxJS6Etx/ZvO
TLSH
T1AB33E178E1F4B8F6E46EAB345D82146DB1C16BD34D3080BA079224AF6C37E578B52731
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/540-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1084-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/1788-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1788-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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